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// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
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package org.apache.juneau;

import static org.apache.juneau.internal.ClassUtils.*;

import org.apache.juneau.json.*;

/**
 * General invalid conversion exception.
 * 
 * <p>
 * Exception that gets thrown if you try to perform an invalid conversion, such as when calling
 * {@code ObjectMap.getInt(...)} on a non-numeric <code>String</code>.
 */
public final class InvalidDataConversionException extends FormattedRuntimeException {

	private static final long serialVersionUID = 1L;

	/**
	 * @param toType Attempting to convert to this class type.
	 * @param cause The cause.
	 * @param value The value being converted.
	 */
	public InvalidDataConversionException(Object value, Class<?> toType, Exception cause) {
		super(cause, "Invalid data conversion from type ''{0}'' to type ''{1}''.  Value={2}.",
			getReadableClassNameForObject(value), getReadableClassName(toType), getValue(value));
	}

	/**
	 * @param toType Attempting to convert to this class type.
	 * @param cause The cause.
	 * @param value The value being converted.
	 */
	public InvalidDataConversionException(Object value, ClassMeta<?> toType, Exception cause) {
		super(cause, "Invalid data conversion from type ''{0}'' to type ''{1}''.  Value={2}.",
			getReadableClassNameForObject(value), toType.toString(), getValue(value));
	}

	private static String getValue(Object o) {
		if (o instanceof Class)
			return "'" + getReadableClassName((Class<?>)o) + "'";
		return JsonSerializer.DEFAULT_LAX == null ? "'" + o.toString() + "'" : JsonSerializer.DEFAULT_LAX.toString(o);
	}
}
